HS 201 Exam 1

Viticulture is

The growth and study of grapes

What color are the flowers of poinsettias

Yellow

A herbaceous perennial plant:

Non-woody plants that typically dies back tot he ground in the winter and then re-grows from the roots the following spring

Humans are in what biological classification order

Primates

In the plant world: can a variety have a cultivar?

YES

Humans are in what biological classification Class?

Mammals

Plants that are selected for use as a screen should have/do all of the following features except:

Defensive foliage/stems (thorns or spiny)

Dicots are:

A sub-classification within the class angiosperms

Swedish botanist who created the current system of plant nomenclature:

Carl Linneaus

Which of the following is an example of a class of plants that we discussed?

Angiospermae

Which of the following is the properly written name of an interspecific hybrid plant?

Abelia x grandiflora (underlined both)

What is the primary difference between plants in the class angiosperm and plants in the class Gymnospermae?

Gymnosperms bear "naked seeds" and Angiosperms bear seeds that are enclosed in fruit.

Modified leaf which aides in a vine's ability to climb?

Tendrils

Plant taxonomy/classification is a system that classifies plants based on their :

Flower/reproductive characteristics

Vegetative plant parts can be variable from location to location. Which of the following is NOT a reason why plant leaves can change or be different on the same plant or different plants of the same species:

Chemical composition

All of the following characteristics make a plant horticultural and NOT agronomic except:

Maximum productivity focused on large acreage and not individual plants.

The USDA Hardiness zone map outlines 11 different areas in North America where plants can grow. What data were used to generate this map?

Average minimal temperatures for a given area.

a plant sexual condition in which a plant species has male flowers on one plant and female flowers on another separate plant (two houses)

Dioecious

Which of the following is a clone?

Cultivar

Which of the following is an example of a biennial plant that we discussed in class?

Carrot

An example of a microclimate in the landscape would be?

Next to the southside of a brick building.

The study of wine and wine making is:

Enology

Horticulture is derived from which two latin words:

Hortus and culture

A division of plants known to have a vascular system for transporting materials is called:

Tracheophyta

Which of the following is a properly written plant cultivar name?

Lagerstroemia indica (underlined) 'Victor Red'

What state is the #1 producer of vegetables in the country?

California

Special Tribute Tree that was a survivor of September 11, 2001 and was nursed back to health and replanted at the memorial ground zero.

Pyrus calleryana (flowering pear)

When discussing post-harvest physiology, we discussed many examples. which of the following examples did we not mention or discuss?

Pecans and walnuts.

A variety is a sub-classification of a species of a plant that:

Has a naturally occurring mutation that can be passed on to the offspring through the seed without any help from mankind.

At the beginning of the plant nomenclature lecture we talked about common names and Brian gave several examples of some plants that have interesting common names. One of the plants discussed was brought into the classroom and passed around. Ouch! Which plant was it?

"Devils walking stick"

During our discussion on deciduous/evergreen plants we talk about pine straw and the fact that even though it is evergreen it still loses some leaves every year. One of the main uses of this pine straw is for landscape mulch. What was the major concern brian warned you about in regards to pine straw thats placed next to buildings?

Fire hazard.

We discussed the reasons why one should know if a plant is monoecious or dioecious in regards to fruit. What was the plant that produced the huge (soft ball sized) fruit that could be dangerous?!?!?!?!

Maclura pomifera

Which English estate/garden has "the great vine" which is housed in a greenhouse and has a large open area of soil that helps provide space for its roots to grow.

Hampton Court

North carolina is the #1 producer of which important vegetable crop which was highlighted in the current issue of the NCSU Alumni Magazine

Sweet potato

Selecting plants for use/aesthetics in the landscape is based on their physical features. We listed 5 physical features that plants have. Any one, or more of these 5 features may warrant the selection and use of that plant, especially for aesthetic purposes. Which of the following is not one of the 5 reasons?

Buds

Members of the Solanaceae plant family include all of the following except:

Carrot

When discussing gymnosperms in class, Brian brought in some items 3 in total and different sizes. He collected these to show as an example of the reproductive structures of conifers. What were they?

Pine cons from California (longest cones in the world)

The species name of a plant must contain?

The genus + the specific epithet

The binomial classification of plants:

Groups plants based on their flower structure, is a two name system for identifying plants, is derived from latin, and is recognized internationally... ALL THE ABOVE

All gymnosperms are conifers.

False

The genus is a noun.

True

The study of the cultivation of fruits.

Pomology

The architect of the Biltmore House in Asheville, NC.

Richard Morris Hunt

All exotic (non-native) plants are invasive and should not be used in the landscape.

False

Which of the following plants did we NOT discuss relative to the importance of knowing if a plant is monoecious or dioecious?

Apple (we discussed macular pomifera, ginkgo, and llex (holly).

All of the fruit and vegetables you see, buy, and eat form the grocery store are native to North Carolina. We do not rely on any foreign, non-native, or newly bred/selected crops with improved quality, taste, and nutrition.

False

Which of the following is NOT a method used by vines to climb?

Whip shoots (they use tendrils, adventitious roots, and twinning)

Which of the following is not a plant habit?

Weed

Ornamental plants (flowers, trees, shrubs, etc.) are being selected and bred together for specific traits and qualities that make them better. We discussed many of the possible traits that new plants for the future need to be more desirable, we specifically highlighted 3, which 3?

Sterility, Compact plant size, Re-blooming more than once.

Which fo the following is a plant family?

Aquifoliaceae